The autogenerated list of overviews was adding the \group command which
included all the groups instead of overviews.
The idea here is to categorize the overviews later on once we have
the list of all overviews.
Task-number: QTBUG-114762
Pick-to: 6.5 6.6
Change-Id: I3cf53886be277abc86b5ec54d399cd6933fbe882
Reviewed-by: Kai Köhne <kai.koehne@qt.io>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
7c2ecfcf29